:root{font-family:'BIZ UDPGothic','Yu Gothic',Meiryo,sans-serif;color:#20394d;background:#f3f6fa;font-size:16px;--blue:#155da5;--line:#dbe4ed;--muted:#65758b;--orange:#ba5916}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:white;border-radius:9px;padding:11px 17px;color:inherit;font-weight:700}button:hover{background:#eaf2fc;border-color:#9cbbe0}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--blue);color:white;border-color:var(--blue)}button.danger{color:#ab3434}button.active{background:#e1edf9;border-color:#80acd6;color:#154f88}input,select,textarea{padding:11px;border:1px solid #c5d2df;border-radius:7px;background:white;color:inherit;max-width:100%}input[type=checkbox]{width:20px;height:20px}textarea{width:100%;min-height:100px}label{display:grid;gap:7px;font-size:.9rem;font-weight:700}h1{font-size:1.8rem;letter-spacing:.03em;margin:0 0 9px}h2{font-size:1.25rem;margin:0 0 18px}h3{font-size:1.05rem;margin:0 0 12px}p{line-height:1.8}small,.muted{color:var(--muted)}small{font-size:.8rem}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.2rem}.brand b{display:grid;place-items:center;width:43px;height:43px;background:var(--blue);color:white;border-radius:12px;font-size:1.5rem}.brand small{display:block;font-weight:400;font-size:.75rem;margin-top:4px}.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}aside{background:white;border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column;gap:28px;position:sticky;top:0;height:100vh}nav{display:grid;gap:9px}nav button{text-align:left;border:0;padding:15px 12px;background:transparent}nav button.active{background:#eaf2fb}nav .n{display:inline-grid;place-items:center;width:26px;height:26px;border:1px solid #aac6e2;border-radius:8px;margin-right:9px;font-size:.85rem}.aside-bottom{margin-top:auto;display:grid;gap:12px}main{min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;padding:20px 36px;border-bottom:1px solid var(--line);background:#fff;gap:16px}.content{max-width:1320px;padding:32px 36px;margin:auto}.heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}.heading p{margin:0;color:var(--muted);font-size:.95rem}.card{background:white;border:1px solid var(--line);border-radius:14px;padding:24px;margin-bottom:22px;box-shadow:0 4px 16px #213b5110}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.row.end{justify-content:flex-end}.row.between{justify-content:space-between}.grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:26px}.stat{background:white;border:1px solid var(--line);border-radius:12px;padding:20px}.stat strong{display:block;font-size:2rem;margin:8px 0;color:var(--blue)}.pill{display:inline-block;padding:5px 10px;background:#e8f2fd;border-radius:6px;color:#165591;font-size:.8rem;font-weight:700}.pill.orange{background:#fff0e5;color:#a54f14}.notice{background:#fff6e9;color:#805323;padding:12px 16px;border-left:3px solid #e6a451;border-radius:6px;font-size:.9rem;line-height:1.7;margin-bottom:20px}.empty{padding:30px;text-align:center;background:#f8fafd;border:1px dashed #bfcfdf;border-radius:12px}.drop{border:2px dashed #abc5e0;background:#f7fbff;border-radius:12px;padding:24px;text-align:center;margin-bottom:18px}.drop input{background:white;font-size:.9rem}.preview-image{width:100%;max-height:280px;object-fit:contain;background:#f5f7fa;border-radius:10px;margin-top:16px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th{text-align:left;background:#f3f7fb;color:#5e6c80;padding:13px;font-size:.8rem;white-space:nowrap}td{padding:13px;border-bottom:1px solid #e9eef4}td input{width:100%;min-width:75px;padding:9px}td select{padding:9px}td.sentence{min-width:230px}.drill{display:flex;gap:20px;align-items:center}.drill-number{width:65px;height:78px;border-radius:8px;background:#edf4fc;border-left:5px solid #3f7ab4;display:grid;place-items:center;color:var(--blue);font-size:1.7rem;font-weight:800;flex-shrink:0}.drill-body{flex:1}.drill-body h3{margin-bottom:6px}.questions-list{max-height:460px;overflow:auto;display:grid;gap:7px;margin-top:18px}.q-edit{display:flex;align-items:center;gap:10px;padding:9px;border:1px solid var(--line);border-radius:7px}.q-edit span{flex:1}.q-edit button{padding:5px 10px}.grade-layout{display:grid;grid-template-columns:250px 1fr;gap:22px}.student-list{max-height:580px;overflow:auto;display:grid;gap:6px}.student-list button{text-align:left;font-size:.9rem}.grade-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:25px 0}.mark{position:relative;min-height:100px;display:flex;flex-direction:column;justify-content:space-between;text-align:left;font-weight:400}.mark.selected{outline:3px solid var(--blue);outline-offset:2px}.mark.good{background:#edf7f4;border-color:#99d1bd}.mark.bad{background:#fff1ed;border-color:#f1b5a5}.mark strong{font-size:1.1rem}.mark em{font-style:normal;font-weight:800;font-size:1.5rem;align-self:flex-end}.key{display:inline-block;border:1px solid #bdc9d5;border-bottom:3px solid #aebdcd;border-radius:6px;padding:4px 10px;background:white;margin-right:7px;font-weight:800}.keys{display:flex;gap:24px;flex-wrap:wrap;background:#f4f7fb;padding:20px;border-radius:9px}.progress{height:8px;background:#e9eef4;border-radius:4px;overflow:hidden}.progress i{display:block;height:100%;background:#2876b8}.auth{max-width:850px;margin:6vh auto;padding:25px}.auth-top{margin-bottom:40px}.auth .card{max-width:530px;margin:25px auto}.auth form{display:grid;gap:18px}.auth h1{font-size:1.6rem;margin-top:20px}.auth footer{text-align:center;font-size:.85rem;color:var(--muted);line-height:1.8}.result-bar{width:120px;height:9px;background:#e7edf4;border-radius:6px}.result-bar i{display:block;height:100%;background:#3584c1;border-radius:6px}.practice{max-width:780px;margin:30px auto;text-align:center}.practice-sentence{font-size:1.6rem;line-height:2.3;padding:30px 10px}.practice-answer{font-size:3rem;color:var(--blue);margin:20px}.practice b.target{border-bottom:3px solid #4c8ab6}.big{padding:17px 28px;font-size:1.1rem}.student-header{padding:20px 30px;background:white;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px}.chips{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.chips span{font-size:1.5rem;background:#eaf3fc;border-radius:9px;padding:13px 17px;color:var(--blue)}.check{display:flex;gap:9px;align-items:center}.check input{flex-shrink:0}.spacer{margin-top:20px}.paper{width:100%;aspect-ratio:1.414;background:white;border:1px solid #b8cbdc;padding:20px;overflow:hidden}.paper-head{display:flex;justify-content:space-between;border-bottom:2px solid #255f8c;padding-bottom:12px;margin-bottom:15px;font-size:.9rem}.paper-cols{display:flex;flex-direction:row-reverse;height:calc(100% - 66px);gap:8px}.paper-q{flex:1;min-width:0;display:flex;flex-direction:column;gap:5px;align-items:stretch}.paper-n{text-align:center;font-size:.8rem;color:#1c608c}.paper-sentence{writing-mode:vertical-rl;text-orientation:upright;height:48%;align-self:center;font-family:'Yu Mincho',serif;font-size:clamp(12px,1.4vw,21px);line-height:1.35}.paper-sentence strong{text-decoration:underline;text-underline-offset:5px}.answer-box{flex:1;border:1px solid #35749e;min-height:20px;font-size:11px;color:#607689;padding:4px;writing-mode:vertical-rl}.answer-box.retry{border-color:#98b2c4}.answer-sheet{font-size:1.1rem;line-height:2}.qr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.qr-card{border:1px dashed #a6bacd;padding:20px;text-align:center;break-inside:avoid}.qr-card img{display:block;margin:12px auto;max-width:100%;image-rendering:pixelated}.qr-card a{font-size:.75rem;overflow-wrap:anywhere}#message{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:90vw;background:#203e58;color:white;border-radius:10px;padding:14px 24px;z-index:50;box-shadow:0 5px 20px #0003;display:none}#message.error{background:#9b3730}#print{display:none}:focus-visible{outline:3px solid #e19737;outline-offset:3px}@media(max-width:1000px){.layout{grid-template-columns:190px 1fr}aside{padding:22px 12px}.content{padding:24px}.topbar{padding:18px 24px}.grade-grid{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.grade-layout{grid-template-columns:190px 1fr}.brand{font-size:1rem}}@media(max-width:680px){.layout{display:block}aside{height:auto;position:static;gap:15px;padding:15px}.aside-bottom{display:none}nav{display:flex;overflow:auto;gap:5px}nav button{white-space:nowrap;padding:10px;font-size:.85rem}nav .n{display:none}.brand small{display:none}.topbar{padding:12px;flex-wrap:wrap}.content{padding:20px 14px}.heading{align-items:flex-start;flex-direction:column}.stats{gap:7px}.stat{padding:12px}.stat strong{font-size:1.5rem}.card{padding:17px}.grade-layout{grid-template-columns:1fr}.student-list{display:flex;max-height:110px;overflow:auto}.student-list button{min-width:110px}.grade-grid{grid-template-columns:repeat(2,1fr)}.qr-grid{grid-template-columns:1fr 1fr}.auth{padding:15px}.paper{min-width:650px}.paper-preview{overflow:auto}.keys{gap:12px}}
@page{size:A4 landscape;margin:10mm}@media print{body{background:white;color:black}#app,#message{display:none!important}#print{display:block}.paper{width:277mm;height:190mm;aspect-ratio:auto;border:0;padding:0;break-after:page}.paper:last-child{break-after:auto}.paper-head{height:15mm;font-size:12pt;margin-bottom:4mm}.paper-cols{height:169mm;gap:3mm}.paper-sentence{font-size:17pt;height:78mm;line-height:1.4}.paper-n{font-size:12pt}.answer-box{font-size:9pt}.qr-grid{grid-template-columns:repeat(4,1fr)}.qr-card{padding:5mm}.qr-card img{width:32mm;height:32mm}.qr-card a{display:none}.answer-sheet{break-after:page}button{display:none}}
.paper-head{gap:14px;align-items:center}.paper-head strong{max-width:62%;overflow-wrap:anywhere}.paper-head>span{font-size:.8rem;white-space:nowrap}.paper-sentence{max-width:100%}.paper-sentence.long{font-size:12px}@media print{.paper-head strong{font-size:10pt;line-height:1.35}.paper-head>span{font-size:10pt}.paper-sentence.long{font-size:11pt}}
/* v2.1: 見本に合わせた右見出し・折り込み式テスト */
.paper.workbook{--ink:#158abe;position:relative;container-type:inline-size;width:100%;height:auto;aspect-ratio:277/190;min-width:720px;padding:0;border:1px solid #7da9bd;background:#fff;color:#111;overflow:hidden;margin:0 0 24px;box-shadow:0 4px 14px #19395012;font-family:'BIZ UDPGothic','Yu Gothic',Meiryo,sans-serif}
.workbook .paper-ribbon{position:absolute;left:0;top:0;height:4.6%;min-width:16%;padding:.35% 2%;border-radius:0 0 18px 0;background:var(--ink);color:#fff;font-size:1.35cqw;font-weight:800}
.workbook .paper-cols{position:absolute;left:1.8%;top:5.7%;width:79.2%;height:92.6%;display:flex;flex-direction:row-reverse;gap:.9%;margin:0;padding:0}
.workbook .paper-q{position:relative;flex:1;min-width:0;display:block}
.workbook .paper-n{position:absolute;top:0;left:50%;transform:translateX(-50%);width:2.6cqw;height:2.6cqw;border:1px solid var(--ink);border-radius:50%;background:var(--ink);color:white;text-align:center;font:bold 1.8cqw/2.6cqw Arial,sans-serif}
.workbook .paper-sentence{position:absolute;top:6%;left:0;right:0;height:43%;width:100%;max-width:none;writing-mode:vertical-rl;text-orientation:upright;font-family:'BIZ UDMincho','Yu Mincho','MS Mincho',serif;line-height:1.6;letter-spacing:.03em;margin:0;display:block;overflow-wrap:normal;word-break:normal;white-space:nowrap;padding:0}
.workbook .paper-sentence strong{font-weight:900;text-decoration:none;border-right:1px solid var(--ink);padding-right:.12em;margin-right:.05em}
.workbook .answer-box{position:absolute;left:0;width:100%;height:23.7%;min-height:0;border:1.5px solid var(--ink);writing-mode:vertical-rl;text-orientation:upright;font-size:2.1cqw;color:#111;line-height:1.6;padding:4%;margin:0;background:#fff}
.workbook .answer-box.retry{top:48.5%;border-color:var(--ink)}
.workbook .answer-box.first-test{top:76.3%;border-color:var(--ink)}
.workbook .paper-instruction{position:absolute;top:6%;left:81.7%;width:3.5%;height:43%;writing-mode:vertical-rl;text-orientation:upright;font-size:1.45cqw;font-weight:700;line-height:1.45;letter-spacing:.04em}
.workbook .paper-instruction span{font-size:1.1cqw;font-weight:400}
.workbook .paper-row-label{position:absolute;left:81.5%;width:2.9%;height:22%;writing-mode:vertical-rl;text-orientation:upright;font-size:1.25cqw;line-height:1.6;font-weight:700;padding:.6%;border-top:2px solid var(--ink)}
.workbook .retry-label{top:50.6%}.workbook .test-label{top:76.35%}
.workbook .paper-sidebar{position:absolute;top:0;right:0;width:14.5%;height:100%;border-left:2px solid var(--ink);background:#f3faff}
.workbook .paper-test-badge{position:absolute;top:2%;left:7%;width:86%;height:18%;text-align:center;color:#087cae}
.workbook .paper-test-badge>span{display:block;font-size:1.2cqw;font-weight:700}
.workbook .paper-test-badge>b{display:block;font:bold 4.6cqw/1.25 Arial,sans-serif}
.workbook .paper-test-badge>strong{display:block;font-size:1.15cqw;font-weight:800}
.workbook .paper-title{position:absolute;top:21%;left:10%;width:80%;height:29%;writing-mode:vertical-rl;text-orientation:upright;font-size:1.45cqw;line-height:1.65;font-weight:700;overflow-wrap:anywhere;padding:.8%;border-top:1px solid #8abdd4;border-bottom:1px solid #8abdd4;background:#fff}
.workbook .paper-name{position:absolute;top:51.5%;left:8%;width:84%;height:17.5%;border:1.5px solid var(--ink);background:#fff;font-size:1.1cqw;display:flex;flex-direction:column;align-items:center}
.workbook .paper-class{padding:3%;font-size:.95cqw;border-bottom:1px solid #b2cfdd;width:100%;text-align:center}.workbook .paper-name>b{font-size:1.25cqw;padding:2%}.workbook .name-space{flex:1;width:100%}.workbook .paper-name>span{border-top:1px solid #b2cfdd;width:100%;text-align:center;font-size:.95cqw}
.workbook .paper-score{position:absolute;left:8%;width:84%;height:5%;border:1.5px solid var(--ink);background:#fff;display:flex;align-items:flex-end;justify-content:space-between;padding:4%;font-size:1cqw}.workbook .paper-score b{align-self:flex-start;font-size:.8cqw;font-weight:400}.workbook .retry-score{top:69.5%}.workbook .test-score{top:92.5%}
.workbook .paper-fold{position:absolute;left:0;right:0;top:74.45%;height:0;border-top:1px dashed #666;z-index:2;text-align:center}
.workbook .paper-fold span{position:relative;top:-.75em;background:white;padding:0 .8em;font-size:.85cqw;color:#555;line-height:1.3}
.paper-preview{overflow:auto;padding-bottom:8px}
@media print{.paper.workbook{width:277mm;height:190mm;min-width:0;aspect-ratio:auto;margin:0;padding:0;border:.2mm solid #7da9bd;box-shadow:none;break-inside:avoid;break-after:page;print-color-adjust:exact;-webkit-print-color-adjust:exact}.paper.workbook:last-child{break-after:auto}.workbook .paper-cols{gap:.9%}.workbook .paper-n{font-size:1.8cqw}.workbook .answer-box{font-size:2.1cqw}.workbook .paper-sidebar{background:#f3faff}}
.workbook .retry-score{top:69.5%;height:4%}

/* v2.2: 問題は縦書き1行、記入項目を簡素化 */
.workbook .paper-sentence{left:50%;right:auto;width:1.8em;transform:translateX(-50%);white-space:nowrap;overflow-wrap:normal;word-break:normal;padding:0}
.workbook .paper-name{height:21.8%}
.workbook .paper-name>b{padding:5% 0;font-size:1.35cqw;letter-spacing:.3em}

/* v2.3: 名前欄を得点欄直前まで拡張、説明を縦書き2行に固定 */
.workbook .paper-name{top:51.5%;height:35%}
.workbook .paper-score.test-score{top:87.5%;height:10%}
.workbook .paper-instruction{writing-mode:horizontal-tb;display:flex;flex-direction:row-reverse;align-items:flex-start;gap:0;line-height:1.25}
.workbook .paper-instruction>span{display:block;writing-mode:vertical-rl;text-orientation:upright;white-space:nowrap;overflow-wrap:normal;word-break:normal;width:50%;height:100%;line-height:1.25}
.workbook .paper-instruction>.instruction-main{font-size:1.35cqw;font-weight:700}
.workbook .paper-instruction>.instruction-note{font-size:1.1cqw;font-weight:400}

/* v2.4: 単元ごとの改行と見出しの余白調整 */
.workbook .paper-title{top:16%;height:34%}
.workbook .paper-fold{right:14.5%}
.workbook .paper-instruction>.instruction-note{padding-top:1.6cqw;height:100%}
/* v2.5: 出席番号から入力、右側に名簿と得点 */
.grade-layout.number-entry-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}
.number-entry-layout>.card{min-width:0}.number-entry{display:flex;gap:12px;align-items:end;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line)}
.number-entry label{width:125px}.number-entry input{width:100%;font-size:1.5rem;font-weight:700;text-align:center}.number-entry small{width:100%;font-weight:400}
.number-entry-layout .grade-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin:20px 0}
.number-entry-layout .mark{min-height:105px;padding:10px 8px;overflow-wrap:anywhere}.number-entry-layout .mark strong{font-size:1rem}.grade-score{font-size:1.7rem;color:var(--blue)}
.grade-roster{position:sticky;top:18px}.roster-scroll{max-height:65vh;overflow:auto}.roster-scroll thead{position:sticky;top:0;z-index:1}.roster-scroll td{padding:10px 8px}.roster-scroll td:first-child{width:80px}.roster-scroll td button{white-space:nowrap;padding:8px 12px}.roster-score{font-size:1.1rem;font-weight:700;white-space:nowrap}.roster-current{background:#eaf3ff}.current-label{display:block;color:var(--blue);margin-top:4px}.number-entry-layout .keys{gap:10px;padding:13px;font-size:.9rem}.number-entry-layout .key{margin-right:4px}
@media(max-width:1050px){.number-entry-layout .grade-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.number-entry-layout .keys{display:grid}.roster-scroll th,.roster-scroll td{padding:8px 5px}}
@media(max-width:700px){.grade-layout.number-entry-layout{grid-template-columns:1fr}.grade-roster{position:static}.roster-scroll{max-height:50vh}.number-entry-layout .grade-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.number-entry-layout .mark{padding:7px 5px;min-height:98px}.number-entry-layout .mark strong{font-size:.9rem}}